high background radiation area

基本解釋

Objective To examine the pulmonary tuberculosis mortality risk of the residents in high background radiation area (HBRA), Yangjiang, China.
目的探討天然放射性高本底地區(qū)居民肺結(jié)核死亡危險。
The concentrations of the natural radio-nuclides in 11 varieties of main food in high background radiation area of Guangdong Province were reported.
本文報道廣東高本底地區(qū)11種主要食品中，天然放射性核素的含量水平。
Objective To estimate the excess relative risk for solid cancer associated with chronically exposure to high-background natural radiation in Yangjiang area of China.
目的估算陽江高本底輻射慢性照射可能導(dǎo)致的實躰癌超額相對危險。